Home / 19,188.13-26,479.22-10,690.24

Finding the Fourth Proportional to 19,188.13, 26,479.22 and 10,690.24

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Solution

The fourth proportional to 19,188.13, 26,479.22 and 10,690.24 is: 14,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.13 : 26,479.22 = 10,690.24 : x
  2. Step 2: Convert to fraction form
    19,188.13/26,479.22 = 10,690.24/x
  3. Step 3: Cross multiply
    19,188.13x = 26,479.22 × 10,690.24
  4. Step 4: Simplify right side
    19,188.13x = 283,069,216.81
  5. Step 5: Solve for x
    x = 283,069,216.81/19,188.13
  6. Step 6: Final answer
    x = 14,752.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.